CN106435786B - Device and method for controlling steam saturation on line - Google Patents
Device and method for controlling steam saturation on line Download PDFInfo
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- CN106435786B CN106435786B CN201610926241.8A CN201610926241A CN106435786B CN 106435786 B CN106435786 B CN 106435786B CN 201610926241 A CN201610926241 A CN 201610926241A CN 106435786 B CN106435786 B CN 106435786B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
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- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a device and a method for controlling steam saturation on line, and belongs to the technical field of chemical fiber preparation. The device includes steam filter, catch water, moisture meter and gear pump, steam filter, catch water and moisture meter loop through the steam conduit and are connected, catch water with be provided with the humidification section on the steam conduit between the moisture meter, the gear pump pass through the pipeline with the steam conduit intercommunication in the humidification section, the gear pump with the moisture meter electricity is connected. The method comprises the steps of sequentially filtering steam, separating steam from water, measuring humidity on line, blowing desalted water into a steam pipeline and the like. The device has simple structure and reasonable design, and can realize on-line control of steam saturation; the method is simple to operate, and can effectively avoid the phenomena of broken filaments, broken filaments and the like.
Description
Technical Field
The invention relates to the technical field of chemical fiber preparation, in particular to a device and a method for controlling steam saturation of a steam drawing machine on line.
Background
In the process of manufacturing fiber precursors, in order to realize high reinforcement, densification and fine denier of fibers, the oiled tows are subjected to drying densification treatment and then are subjected to steam drafting under a high-temperature environment provided by saturated water vapor with medium pressure, and the aim is to adjust the tows to the final titer through 3-5 times of drafting, and the yarn strength after the drafting is higher. The saturation of the steam has a crucial influence on the fiber during the steam drawing process: steam is supersaturated, the humidity is too high, and cold spots and hair section silks are easy to occur in the steam drafting process; steam overheating, poor plasticization of fibers in a steam drawing machine, poor plasticization of water vapor molecules, and extremely easy dragging and breaking of tows. It is important to control the saturation of the steam.
In industrial production, the steam from a boiler system cannot be completely saturated, the steam is conveyed along with a pipeline to inevitably generate condensed water, and although drain valves are arranged at each steam pocket and the lowest point, small water drops or other impurities are inevitably mixed in the steam. In order to improve the quality of the fiber, a device for controlling the steam saturation must be added to the steam drawing unit.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a device and a method for controlling the steam saturation on line, the device has simple structure and reasonable design, and can realize the on-line control of the steam saturation; the method is simple to operate, and can effectively avoid the phenomena of broken filaments, broken filaments and the like.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the utility model provides a device of on-line control steam saturation, includes steam filter, catch water, moisture meter and gear pump, steam filter, catch water and moisture meter loop through steam conduit and are connected, catch water with be provided with the humidification section on the steam conduit between the moisture meter, the gear pump pass through the pipeline with the steam conduit intercommunication in the humidification section, the gear pump with the moisture meter electricity is connected.
In a preferred embodiment of the present invention, the steam filter is a filter set consisting of 3 to 15 metal pleated filter sticks.
Preferably, the bottom of the steam filter is provided with a steam trap.
In a preferred embodiment of the present invention, a plurality of partition plates are provided in the steam separator.
Preferably, a steam trap is arranged at the bottom of the steam-water separator.
Preferably, the length of the humidifying section is 100-1500 mm.
Specifically, the device is arranged between the steam distribution drum and the steam drafting machine through a steam pipeline.
The invention also provides a method for controlling the steam saturation on line, which comprises the following steps:
a. filtering the steam in the steam pipeline by using a steam filter to remove water drops and other impurities;
b. steam-water separation is carried out on the filtered steam by adopting a steam-water separator;
c. and a humidity meter is adopted to measure the humidity in the steam pipeline, and the desalted water amount blown into the steam pipeline by the gear pump is controlled according to the humidity measured value so as to realize the online control of the steam saturation.
Preferably, the method is applicable to any steam drawing unit for fiber processing.
Compared with the prior art, the invention has the beneficial effects that:
the device for controlling the steam saturation on line has a simple structure and reasonable design, and can preliminarily control the saturation of the steam by the combined action of filtering the steam by the steam filter and separating the steam from the steam by the steam-water separator; and the humidity of the steam is adjusted by controlling the amount of desalted water blown into the steam pipeline through online measurement of the humidity of the steam, so that online control of the steam saturation is realized. The method of the invention has simple operation and cost saving, and the fiber prepared by the device and the method of the invention can effectively avoid the phenomena of broken filaments, broken filaments and the like.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for controlling steam saturation on-line according to the present invention;
wherein, 1, a steam filter; 2. a steam-water separator; 3. a hygrometer; 4. a gear pump; 5. a steam line; 6. a humidification stage; 7. a steam distributing drum; 8. a steam drawing machine.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the device for controlling steam saturation on line according to the present invention comprises a steam filter 1, a steam-water separator 2, a moisture meter 3 and a gear pump 4; steam cleaner 1, catch water 2 and hygrograph 3 loop through steam conduit 5 and are connected, are provided with humidification section 6 on the steam conduit 5 between catch water 2 and the hygrograph 3, and gear pump 4 passes through the pipeline and communicates with 5 steam conduit in the humidification section 6, and gear pump 4 is connected with the 3 electricity of hygrograph. In the invention, the steam filter 1 filters water droplets and other impurities in the steam, so that the saturation of the steam can be preliminarily controlled and the cleanliness of the steam can be improved; then the micro water in the steam is separated from the steam by the steam-water separator 2, so that the saturation of the steam is further improved; finally, the humidity of the steam in the steam pipeline 5 is measured on line, the desalination water amount blown into the humidification section 6 is controlled according to the humidity measured value, and the gear pump 4 blows quantitative desalination water into the steam pipeline 5, so that the online control of the steam saturation is realized, and the steam drafting quality is effectively improved.
Preferably, the steam filter 1 is a filter unit consisting of 3-15 metal folded filter sticks. The filtering area of the steam filter 1 is determined by the filtering flow rate. Preferably, the bottom of the steam filter 1 is provided with a steam trap.
Preferably, a plurality of partition plates are arranged in the steam-water separator 2. Preferably, the bottom of the steam-water separator 2 is provided with a steam trap.
Preferably, the length of the humidifying section 6 is 100-1500 mm.
Specifically, the apparatus of the present invention is installed between the steam drum 7 and the steam drawing machine 8 through the steam pipe 5.
The invention also provides a method for controlling the steam saturation on line, which comprises the following steps:
a. filtering the steam in the steam pipeline 5 by using a steam filter 1 to remove water drops and other impurities;
b. steam-water separation is carried out on the filtered steam by adopting a steam-water separator 2;
c. the humidity in the steam pipeline 5 is measured by adopting the humidity meter 3, and the desalination water quantity blown into the steam pipeline 5 by the gear pump 4 is controlled according to the humidity measured value so as to realize the online control of the steam saturation.
Preferably, the above method is applied to any steam drawing unit for fiber processing.
When the steam-water separator is used, steam passes through the steam filter 1 and the steam-water separator 2 in sequence, the opening degree of the gear pump 4 is automatically controlled by measuring the humidity of the steam, and the saturation degree of the steam entering the steam drafting machine 8 is adjusted in time.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. An apparatus for controlling steam saturation on-line, comprising: including steam filter, catch water, moisture meter and gear pump, steam filter, catch water and moisture meter loop through steam conduit and are connected, catch water with be provided with the humidification section on the steam conduit between the moisture meter, the gear pump pass through the pipeline with steam conduit intercommunication in the humidification section, the gear pump with the moisture meter electricity is connected, and the gear pump is with in the desalinized water drum steam conduit.
2. The apparatus for controlling steam saturation on-line according to claim 1, wherein: the steam filter is a filter unit consisting of 3-15 metal folding filter rods.
3. The apparatus for controlling steam saturation on-line according to claim 1, wherein: and a steam trap is arranged at the bottom of the steam filter.
4. The apparatus for controlling steam saturation on-line according to claim 1, wherein: and a plurality of partition plates are arranged in the steam-water separator.
5. The apparatus for controlling steam saturation on-line according to claim 1, wherein: and a steam trap is arranged at the bottom of the steam-water separator.
6. The apparatus for controlling steam saturation on-line according to claim 1, wherein: the length of the humidifying section is 100-1500 mm.
7. The device for controlling the steam saturation on line according to any one of claims 1 to 6, wherein: the device is arranged between the steam distributing drum and the steam drafting machine through a steam pipeline.
8. A method for on-line control of steam saturation using the apparatus of claim 1, wherein:
the method comprises the following steps:
a. filtering the steam in the steam pipeline by using a steam filter to remove water drops and other impurities;
b. steam-water separation is carried out on the filtered steam by adopting a steam-water separator;
c. and a humidity meter is adopted to measure the humidity in the steam pipeline, and the desalted water amount blown into the steam pipeline by the gear pump is controlled according to the humidity measured value so as to realize the online control of the steam saturation.
9. The method of on-line control of steam saturation according to claim 8, wherein: the method is suitable for any steam drawing unit for fiber processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610926241.8A CN106435786B (en) | 2016-10-24 | 2016-10-24 | Device and method for controlling steam saturation on line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610926241.8A CN106435786B (en) | 2016-10-24 | 2016-10-24 | Device and method for controlling steam saturation on line |
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| Publication Number | Publication Date |
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| CN106435786A CN106435786A (en) | 2017-02-22 |
| CN106435786B true CN106435786B (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610926241.8A Active CN106435786B (en) | 2016-10-24 | 2016-10-24 | Device and method for controlling steam saturation on line |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0534895B1 (en) * | 1991-09-23 | 1996-02-07 | Maschinenfabrik Rieter Ag | Stretching chamber |
| CN202054946U (en) * | 2011-04-19 | 2011-11-30 | 杭州奔马化纤纺丝有限公司 | Steam condensate mixing system for chemical fiber spinning |
| CN105020782A (en) * | 2015-06-24 | 2015-11-04 | 郑成勋 | Air purification method and air purifier |
| CN105298557A (en) * | 2015-09-23 | 2016-02-03 | 安徽三星化工有限责任公司 | Technology of cleaning water scale on flow passage components of small-sized steam turbine for synthesis ammonia production |
| CN205250248U (en) * | 2015-11-24 | 2016-05-25 | 青岛啤酒工程有限公司 | Between moisture regain of material humidification |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201753410U (en) * | 2010-07-26 | 2011-03-02 | 浙江富润印染有限公司 | Humidifying and cooling system for steamer |
-
2016
- 2016-10-24 CN CN201610926241.8A patent/CN106435786B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0534895B1 (en) * | 1991-09-23 | 1996-02-07 | Maschinenfabrik Rieter Ag | Stretching chamber |
| CN202054946U (en) * | 2011-04-19 | 2011-11-30 | 杭州奔马化纤纺丝有限公司 | Steam condensate mixing system for chemical fiber spinning |
| CN105020782A (en) * | 2015-06-24 | 2015-11-04 | 郑成勋 | Air purification method and air purifier |
| CN105298557A (en) * | 2015-09-23 | 2016-02-03 | 安徽三星化工有限责任公司 | Technology of cleaning water scale on flow passage components of small-sized steam turbine for synthesis ammonia production |
| CN205250248U (en) * | 2015-11-24 | 2016-05-25 | 青岛啤酒工程有限公司 | Between moisture regain of material humidification |
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| CN106435786A (en) | 2017-02-22 |
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Address after: 222000 South Ring Road North, Dapu Industrial Zone, Lianyungang Economic and Technological Development Zone, Jiangsu Province Patentee after: Zhongfu Shenying Carbon Fiber Co.,Ltd. Address before: 222043 north of South Ring Road, Dapu Industrial Zone, Lianyungang Economic and Technological Development Zone, Jiangsu Province Patentee before: ZHONGFU SHENYING CARBON FIBER Co.,Ltd. |
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